allright so i have tuned a good amount of LNF's and i know my personal car i love going MAFless/speed density. in the E78 ecu for the sonic it shows tables for speed density which i have never seen before.. can someone elaborate on these. i have a customer of mine who is getting charge pipes intercooler and exhaust and i was planning on going speed density with his tune to see how it works. and also we are having problems as is right now where i up the boost but it slams back down to around 15psi, i have tried to make it hit 18psi and it does for about 2 seconds. i have posted the file to see what poeple think and if im going about this the wrong way please tell me. i have looked at some threads and did some research but nothing comes up on how to fix the problems im having now
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